Step-by-step production tutorial for bridging MQTT to Kafka with the Lenses MQTT Source connector — schema mapping, QoS handling, Sparkplug B decoding, and HA topology.
AsyncAPI 3.0 architecture — channels, operations, and messages for MQTT, Kafka, AMQP, and WebSocket APIs. Full example spec, code-gen, and governance pattern for 2026.
Deep dive into async processing — message queues vs event streams, at-least-once vs exactly-once, dead letter queues, back-pressure, and choosing between Kafka, RabbitMQ, and SQS.